fujin/rtorrent
1
0
Fork 0
mirror of https://github.com/rakshasa/rtorrent.git synced 2026-08-09 03:32:29 +00:00
Code Issues Packages Projects Releases Wiki Activity

Add support for SCGI systemd socket activation

Browse Source 
Add a new command, `network.scgi.open_systemd`, that binds to a file
descriptor passed in via systemd socket activation.
This commit is contained in:
zqmfb
2026-03-24 20:48:32 -04:00
committed by Jari Sundell
parent a82bdf22ac
commit 63ea08bde6
5 changed files with 76 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/command_network.cc
+42
View File
@@ -3,6 +3,10 @@
#include <functional>
#include <cstdio>
#include <unistd.h>
#ifdef HAVE_SYSTEMD
#include <sys/socket.h>
#include <systemd/sd-daemon.h>
#endif
#include <rak/address_info.h>
#include <torrent/torrent.h>
#include <torrent/rate.h>
@@ -143,6 +147,41 @@ apply_scgi(const std::string& arg, int type) {
return torrent::Object();
}
#ifdef HAVE_SYSTEMD
torrent::Object
apply_scgi_systemd() {
if (scgi_thread::scgi() != nullptr)
throw torrent::input_error("SCGI already enabled.");
int n = sd_listen_fds(0);
if (n < 1)
throw torrent::input_error("No systemd socket(s) provided (sd_listen_fds returned " +
std::to_string(n) + ").");
// Iterate over all provided fds. Use the first listening stream socket;
// close the rest. The systemd docs say unused fds should be closed.
int selected_fd = -1;
for (int i = 0; i < n; i++) {
int fd = SD_LISTEN_FDS_START + i;
if (selected_fd == -1 && sd_is_socket(fd, AF_UNSPEC, SOCK_STREAM, 1) > 0)
selected_fd = fd;
else
::close(fd);
}
if (selected_fd == -1)
throw torrent::input_error("No listening stream socket found among systemd-provided fds.");
initialize_rpc_handlers();
rpc::SCgi* scgi = new rpc::SCgi;
scgi->open_fd(selected_fd);
scgi_thread::set_scgi(scgi);
return torrent::Object();
}
#endif
torrent::Object
apply_xmlrpc_dialect(const std::string& arg) {
int value;
@@ -243,6 +282,9 @@ initialize_command_network() {
CMD2_ANY_STRING ("network.scgi.open_port", std::bind(&apply_scgi, std::placeholders::_2, 1));
CMD2_ANY_STRING ("network.scgi.open_local", std::bind(&apply_scgi, std::placeholders::_2, 2));
CMD2_VAR_BOOL ("network.scgi.dont_route", false);
#ifdef HAVE_SYSTEMD
CMD2_ANY_VALUE_V ("network.scgi.open_systemd", [](auto, auto& value) { if (value != 0) apply_scgi_systemd(); });
#endif
CMD2_ANY_STRING ("network.xmlrpc.dialect.set", [](const auto&, const auto& arg) { return apply_xmlrpc_dialect(arg); })
CMD2_ANY ("network.xmlrpc.size_limit", [](const auto&, const auto&) { return rpc::rpc.size_limit(); });